3 * Copyright (c) 2000-2011 The libav developers.
5 * This file is part of Libav.
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
50 # include "libavfilter/avfilter.h"
51 # include "libavfilter/avfiltergraph.h"
52 # include "libavfilter/vsrc_buffer.h"
55 #if HAVE_SYS_RESOURCE_H
56 #include <sys/types.h>
58 #include <sys/resource.h>
59 #elif HAVE_GETPROCESSTIMES
62 #if HAVE_GETPROCESSMEMORYINFO
68 #include <sys/select.h>
75 #include "libavutil/avassert.h"
77 const char program_name[] = "avconv";
78 const int program_birth_year = 2000;
80 /* select an input stream for an output stream */
81 typedef struct StreamMap {
85 int sync_stream_index;
89 * select an input file for an output file
91 typedef struct MetadataMap {
92 int file; //< file index
93 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
94 int index; //< stream/chapter/program number
97 typedef struct ChapterMap {
102 static const OptionDef options[];
104 #define MAX_FILES 100
106 static const char *last_asked_format = NULL;
107 static double *ts_scale;
108 static int nb_ts_scale;
110 static AVFormatContext *output_files[MAX_FILES];
111 static AVDictionary *output_opts[MAX_FILES];
112 static int nb_output_files = 0;
114 static StreamMap *stream_maps = NULL;
115 static int nb_stream_maps;
117 /* first item specifies output metadata, second is input */
118 static MetadataMap (*meta_data_maps)[2] = NULL;
119 static int nb_meta_data_maps;
120 static int metadata_global_autocopy = 1;
121 static int metadata_streams_autocopy = 1;
122 static int metadata_chapters_autocopy = 1;
124 static ChapterMap *chapter_maps = NULL;
125 static int nb_chapter_maps;
127 /* indexed by output file stream index */
128 static int *streamid_map = NULL;
129 static int nb_streamid_map = 0;
131 static int frame_width = 0;
132 static int frame_height = 0;
133 static float frame_aspect_ratio = 0;
134 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
135 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
136 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
137 static AVRational frame_rate;
138 static float video_qscale = 0;
139 static uint16_t *intra_matrix = NULL;
140 static uint16_t *inter_matrix = NULL;
141 static const char *video_rc_override_string=NULL;
142 static int video_disable = 0;
143 static int video_discard = 0;
144 static char *video_codec_name = NULL;
145 static unsigned int video_codec_tag = 0;
146 static char *video_language = NULL;
147 static int same_quality = 0;
148 static int do_deinterlace = 0;
149 static int top_field_first = -1;
150 static int me_threshold = 0;
151 static int intra_dc_precision = 8;
152 static int loop_input = 0;
153 static int loop_output = AVFMT_NOOUTPUTLOOP;
154 static int qp_hist = 0;
156 static char *vfilters = NULL;
159 static int intra_only = 0;
160 static int audio_sample_rate = 0;
161 #define QSCALE_NONE -99999
162 static float audio_qscale = QSCALE_NONE;
163 static int audio_disable = 0;
164 static int audio_channels = 0;
165 static char *audio_codec_name = NULL;
166 static unsigned int audio_codec_tag = 0;
167 static char *audio_language = NULL;
169 static int subtitle_disable = 0;
170 static char *subtitle_codec_name = NULL;
171 static char *subtitle_language = NULL;
172 static unsigned int subtitle_codec_tag = 0;
174 static int data_disable = 0;
175 static char *data_codec_name = NULL;
176 static unsigned int data_codec_tag = 0;
178 static float mux_preload= 0.5;
179 static float mux_max_delay= 0.7;
181 static int64_t recording_time = INT64_MAX;
182 static int64_t start_time = 0;
183 static int64_t input_ts_offset = 0;
184 static int file_overwrite = 0;
185 static AVDictionary *metadata;
186 static int do_benchmark = 0;
187 static int do_hex_dump = 0;
188 static int do_pkt_dump = 0;
189 static int do_psnr = 0;
190 static int do_pass = 0;
191 static char *pass_logfilename_prefix = NULL;
192 static int audio_stream_copy = 0;
193 static int video_stream_copy = 0;
194 static int subtitle_stream_copy = 0;
195 static int data_stream_copy = 0;
196 static int video_sync_method= -1;
197 static int audio_sync_method= 0;
198 static float audio_drift_threshold= 0.1;
199 static int copy_ts= 0;
201 static int opt_shortest = 0;
202 static char *vstats_filename;
203 static FILE *vstats_file;
204 static int opt_programid = 0;
205 static int copy_initial_nonkeyframes = 0;
207 static int rate_emu = 0;
209 static int audio_volume = 256;
211 static int exit_on_error = 0;
212 static int using_stdin = 0;
213 static int verbose = 1;
214 static int thread_count= 1;
215 static int64_t video_size = 0;
216 static int64_t audio_size = 0;
217 static int64_t extra_size = 0;
218 static int nb_frames_dup = 0;
219 static int nb_frames_drop = 0;
220 static int input_sync;
221 static uint64_t limit_filesize = 0;
222 static int force_fps = 0;
223 static char *forced_key_frames = NULL;
225 static float dts_delta_threshold = 10;
227 static int64_t timer_start;
229 static uint8_t *audio_buf;
230 static uint8_t *audio_out;
231 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
233 static short *samples;
235 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
236 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
237 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
239 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
243 typedef struct OutputStream {
244 int file_index; /* file index */
245 int index; /* stream index in the output file */
246 int source_index; /* InputStream index */
247 AVStream *st; /* stream in the output file */
248 int encoding_needed; /* true if encoding needed for this stream */
250 /* input pts and corresponding output pts
252 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
253 struct InputStream *sync_ist; /* input stream to sync against */
254 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
255 AVBitStreamFilterContext *bitstream_filters;
260 AVFrame pict_tmp; /* temporary image for resampling */
261 struct SwsContext *img_resample_ctx; /* for image resampling */
264 int resample_pix_fmt;
265 AVRational frame_rate;
267 float frame_aspect_ratio;
269 /* forced key frames */
270 int64_t *forced_kf_pts;
276 ReSampleContext *resample; /* for audio resampling */
277 int resample_sample_fmt;
278 int resample_channels;
279 int resample_sample_rate;
281 AVAudioConvert *reformat_ctx;
282 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
286 AVFilterContext *output_video_filter;
287 AVFilterContext *input_video_filter;
288 AVFilterBufferRef *picref;
290 AVFilterGraph *graph;
297 static OutputStream **output_streams_for_file[MAX_FILES] = { NULL };
298 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
300 typedef struct InputStream {
303 int discard; /* true if stream data should be discarded */
304 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
307 int64_t start; /* time when read started */
308 int64_t next_pts; /* synthetic pts for cases where pkt.pts
310 int64_t pts; /* current pts */
311 PtsCorrectionContext pts_ctx;
313 int is_start; /* is 1 at the start and after a discontinuity */
314 int showed_multi_packet_warning;
315 int is_past_recording_time;
319 typedef struct InputFile {
320 AVFormatContext *ctx;
321 int eof_reached; /* true if eof reached */
322 int ist_index; /* index of first stream in ist_table */
323 int buffer_size; /* current total buffer size */
327 static InputStream *input_streams = NULL;
328 static int nb_input_streams = 0;
329 static InputFile *input_files = NULL;
330 static int nb_input_files = 0;
334 static int configure_video_filters(InputStream *ist, OutputStream *ost)
336 AVFilterContext *last_filter, *filter;
337 /** filter graph containing all filters including input & output */
338 AVCodecContext *codec = ost->st->codec;
339 AVCodecContext *icodec = ist->st->codec;
340 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
341 AVRational sample_aspect_ratio;
345 ost->graph = avfilter_graph_alloc();
347 if (ist->st->sample_aspect_ratio.num){
348 sample_aspect_ratio = ist->st->sample_aspect_ratio;
350 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
352 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
353 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
354 sample_aspect_ratio.num, sample_aspect_ratio.den);
356 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
357 "src", args, NULL, ost->graph);
360 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
361 "out", NULL, &ffsink_ctx, ost->graph);
364 last_filter = ost->input_video_filter;
366 if (codec->width != icodec->width || codec->height != icodec->height) {
367 snprintf(args, 255, "%d:%d:flags=0x%X",
371 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
372 NULL, args, NULL, ost->graph)) < 0)
374 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
376 last_filter = filter;
379 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
380 ost->graph->scale_sws_opts = av_strdup(args);
383 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
384 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
386 outputs->name = av_strdup("in");
387 outputs->filter_ctx = last_filter;
388 outputs->pad_idx = 0;
389 outputs->next = NULL;
391 inputs->name = av_strdup("out");
392 inputs->filter_ctx = ost->output_video_filter;
396 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
398 av_freep(&ost->avfilter);
400 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
404 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
407 codec->width = ost->output_video_filter->inputs[0]->w;
408 codec->height = ost->output_video_filter->inputs[0]->h;
409 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
410 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
411 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
412 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
416 #endif /* CONFIG_AVFILTER */
418 static void term_exit(void)
420 av_log(NULL, AV_LOG_QUIET, "");
423 static volatile int received_sigterm = 0;
424 static volatile int received_nb_signals = 0;
427 sigterm_handler(int sig)
429 received_sigterm = sig;
430 received_nb_signals++;
434 static void term_init(void)
436 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
437 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
439 signal(SIGXCPU, sigterm_handler);
443 static int decode_interrupt_cb(void)
445 return received_nb_signals > 1;
448 static int exit_program(int ret)
453 for(i=0;i<nb_output_files;i++) {
454 AVFormatContext *s = output_files[i];
455 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
457 avformat_free_context(s);
458 av_free(output_streams_for_file[i]);
459 av_dict_free(&output_opts[i]);
461 for(i=0;i<nb_input_files;i++) {
462 av_close_input_file(input_files[i].ctx);
464 for (i = 0; i < nb_input_streams; i++)
465 av_dict_free(&input_streams[i].opts);
467 av_free(intra_matrix);
468 av_free(inter_matrix);
472 av_free(vstats_filename);
474 av_free(streamid_map);
475 av_free(stream_maps);
476 av_free(meta_data_maps);
478 av_freep(&input_streams);
479 av_freep(&input_files);
481 av_free(video_codec_name);
482 av_free(audio_codec_name);
483 av_free(subtitle_codec_name);
484 av_free(data_codec_name);
489 allocated_audio_buf_size= allocated_audio_out_size= 0;
496 if (received_sigterm) {
498 "Received signal %d: terminating.\n",
499 (int) received_sigterm);
503 exit(ret); /* not all OS-es handle main() return value */
507 static void assert_avoptions(AVDictionary *m)
509 AVDictionaryEntry *t;
510 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
511 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
516 static void assert_codec_experimental(AVCodecContext *c, int encoder)
518 const char *codec_string = encoder ? "encoder" : "decoder";
520 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
521 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
522 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
523 "results.\nAdd '-strict experimental' if you want to use it.\n",
524 codec_string, c->codec->name);
525 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
526 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
527 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
528 codec_string, codec->name);
533 /* similar to ff_dynarray_add() and av_fast_realloc() */
534 static void *grow_array(void *array, int elem_size, int *size, int new_size)
536 if (new_size >= INT_MAX / elem_size) {
537 fprintf(stderr, "Array too big.\n");
540 if (*size < new_size) {
541 uint8_t *tmp = av_realloc(array, new_size*elem_size);
543 fprintf(stderr, "Could not alloc buffer.\n");
546 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
553 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
555 if(codec && codec->sample_fmts){
556 const enum AVSampleFormat *p= codec->sample_fmts;
558 if(*p == st->codec->sample_fmt)
562 av_log(NULL, AV_LOG_WARNING,
563 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
564 av_get_sample_fmt_name(st->codec->sample_fmt),
566 av_get_sample_fmt_name(codec->sample_fmts[0]));
567 st->codec->sample_fmt = codec->sample_fmts[0];
573 * Update the requested input sample format based on the output sample format.
574 * This is currently only used to request float output from decoders which
575 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
576 * Ideally this will be removed in the future when decoders do not do format
577 * conversion and only output in their native format.
579 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
582 /* if sample formats match or a decoder sample format has already been
583 requested, just return */
584 if (enc->sample_fmt == dec->sample_fmt ||
585 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
588 /* if decoder supports more than one output format */
589 if (dec_codec && dec_codec->sample_fmts &&
590 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
591 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
592 const enum AVSampleFormat *p;
593 int min_dec = -1, min_inc = -1;
595 /* find a matching sample format in the encoder */
596 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
597 if (*p == enc->sample_fmt) {
598 dec->request_sample_fmt = *p;
600 } else if (*p > enc->sample_fmt) {
601 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
603 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
606 /* if none match, provide the one that matches quality closest */
607 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
608 enc->sample_fmt - min_dec;
612 static void choose_sample_rate(AVStream *st, AVCodec *codec)
614 if(codec && codec->supported_samplerates){
615 const int *p= codec->supported_samplerates;
617 int best_dist=INT_MAX;
619 int dist= abs(st->codec->sample_rate - *p);
620 if(dist < best_dist){
626 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
628 st->codec->sample_rate= best;
632 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
634 if(codec && codec->pix_fmts){
635 const enum PixelFormat *p= codec->pix_fmts;
636 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
637 if(st->codec->codec_id==CODEC_ID_MJPEG){
638 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
639 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
640 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
644 if(*p == st->codec->pix_fmt)
648 if(st->codec->pix_fmt != PIX_FMT_NONE)
649 av_log(NULL, AV_LOG_WARNING,
650 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
651 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
653 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
654 st->codec->pix_fmt = codec->pix_fmts[0];
659 static OutputStream *new_output_stream(AVFormatContext *oc, int file_idx, AVCodec *codec)
662 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
663 int idx = oc->nb_streams - 1;
666 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
670 output_streams_for_file[file_idx] =
671 grow_array(output_streams_for_file[file_idx],
672 sizeof(*output_streams_for_file[file_idx]),
673 &nb_output_streams_for_file[file_idx],
675 ost = output_streams_for_file[file_idx][idx] =
676 av_mallocz(sizeof(OutputStream));
678 fprintf(stderr, "Could not alloc output stream\n");
681 ost->file_index = file_idx;
686 ost->opts = filter_codec_opts(codec_opts, codec->id, 1);
688 avcodec_get_context_defaults3(st->codec, codec);
690 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
694 static int read_avserver_streams(AVFormatContext *s, const char *filename)
697 AVFormatContext *ic = NULL;
700 err = avformat_open_input(&ic, filename, NULL, NULL);
703 /* copy stream format */
704 for(i=0;i<ic->nb_streams;i++) {
709 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
710 ost = new_output_stream(s, nb_output_files, codec);
713 // FIXME: a more elegant solution is needed
714 memcpy(st, ic->streams[i], sizeof(AVStream));
716 avcodec_copy_context(st->codec, ic->streams[i]->codec);
718 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
719 if (audio_stream_copy) {
722 choose_sample_fmt(st, codec);
723 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
724 if (video_stream_copy) {
727 choose_pixel_fmt(st, codec);
730 if(st->codec->flags & CODEC_FLAG_BITEXACT)
734 av_close_input_file(ic);
739 get_sync_ipts(const OutputStream *ost)
741 const InputStream *ist = ost->sync_ist;
742 return (double)(ist->pts - start_time)/AV_TIME_BASE;
745 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
749 AVPacket new_pkt= *pkt;
750 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
751 &new_pkt.data, &new_pkt.size,
752 pkt->data, pkt->size,
753 pkt->flags & AV_PKT_FLAG_KEY);
756 new_pkt.destruct= av_destruct_packet;
758 fprintf(stderr, "%s failed for stream %d, codec %s",
759 bsfc->filter->name, pkt->stream_index,
760 avctx->codec ? avctx->codec->name : "copy");
770 ret= av_interleaved_write_frame(s, pkt);
772 print_error("av_interleaved_write_frame()", ret);
777 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
779 static void do_audio_out(AVFormatContext *s,
782 unsigned char *buf, int size)
785 int64_t audio_out_size, audio_buf_size;
786 int64_t allocated_for_size= size;
788 int size_out, frame_bytes, ret, resample_changed;
789 AVCodecContext *enc= ost->st->codec;
790 AVCodecContext *dec= ist->st->codec;
791 int osize = av_get_bytes_per_sample(enc->sample_fmt);
792 int isize = av_get_bytes_per_sample(dec->sample_fmt);
793 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
796 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
797 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
798 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
799 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
800 audio_buf_size*= osize*enc->channels;
802 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
803 if(coded_bps > 8*osize)
804 audio_out_size= audio_out_size * coded_bps / (8*osize);
805 audio_out_size += FF_MIN_BUFFER_SIZE;
807 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
808 fprintf(stderr, "Buffer sizes too large\n");
812 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
813 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
814 if (!audio_buf || !audio_out){
815 fprintf(stderr, "Out of memory in do_audio_out\n");
819 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
820 ost->audio_resample = 1;
822 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
823 ost->resample_channels != dec->channels ||
824 ost->resample_sample_rate != dec->sample_rate;
826 if ((ost->audio_resample && !ost->resample) || resample_changed) {
827 if (resample_changed) {
828 av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
829 ist->file_index, ist->st->index,
830 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
831 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
832 ost->resample_sample_fmt = dec->sample_fmt;
833 ost->resample_channels = dec->channels;
834 ost->resample_sample_rate = dec->sample_rate;
836 audio_resample_close(ost->resample);
838 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
839 if (audio_sync_method <= 1 &&
840 ost->resample_sample_fmt == enc->sample_fmt &&
841 ost->resample_channels == enc->channels &&
842 ost->resample_sample_rate == enc->sample_rate) {
843 ost->resample = NULL;
844 ost->audio_resample = 0;
845 } else if (ost->audio_resample) {
846 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
847 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
848 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
849 enc->sample_rate, dec->sample_rate,
850 enc->sample_fmt, dec->sample_fmt,
852 if (!ost->resample) {
853 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
854 dec->channels, dec->sample_rate,
855 enc->channels, enc->sample_rate);
861 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
862 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
863 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
864 if (ost->reformat_ctx)
865 av_audio_convert_free(ost->reformat_ctx);
866 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
867 dec->sample_fmt, 1, NULL, 0);
868 if (!ost->reformat_ctx) {
869 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
870 av_get_sample_fmt_name(dec->sample_fmt),
871 av_get_sample_fmt_name(enc->sample_fmt));
874 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
877 if(audio_sync_method){
878 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
879 - av_fifo_size(ost->fifo)/(enc->channels * 2);
880 double idelta= delta*dec->sample_rate / enc->sample_rate;
881 int byte_delta= ((int)idelta)*2*dec->channels;
883 //FIXME resample delay
884 if(fabs(delta) > 50){
885 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
887 byte_delta= FFMAX(byte_delta, -size);
891 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
896 static uint8_t *input_tmp= NULL;
897 input_tmp= av_realloc(input_tmp, byte_delta + size);
899 if(byte_delta > allocated_for_size - size){
900 allocated_for_size= byte_delta + (int64_t)size;
905 memset(input_tmp, 0, byte_delta);
906 memcpy(input_tmp + byte_delta, buf, size);
910 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
912 }else if(audio_sync_method>1){
913 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
914 av_assert0(ost->audio_resample);
916 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
917 // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
918 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
922 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
923 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
925 if (ost->audio_resample) {
927 size_out = audio_resample(ost->resample,
928 (short *)buftmp, (short *)buf,
929 size / (dec->channels * isize));
930 size_out = size_out * enc->channels * osize;
936 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
937 const void *ibuf[6]= {buftmp};
938 void *obuf[6]= {audio_buf};
939 int istride[6]= {isize};
940 int ostride[6]= {osize};
941 int len= size_out/istride[0];
942 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
943 printf("av_audio_convert() failed\n");
949 size_out = len*osize;
952 /* now encode as many frames as possible */
953 if (enc->frame_size > 1) {
954 /* output resampled raw samples */
955 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
956 fprintf(stderr, "av_fifo_realloc2() failed\n");
959 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
961 frame_bytes = enc->frame_size * osize * enc->channels;
963 while (av_fifo_size(ost->fifo) >= frame_bytes) {
965 av_init_packet(&pkt);
967 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
969 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
971 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
974 fprintf(stderr, "Audio encoding failed\n");
978 pkt.stream_index= ost->index;
981 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
982 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
983 pkt.flags |= AV_PKT_FLAG_KEY;
984 write_frame(s, &pkt, enc, ost->bitstream_filters);
986 ost->sync_opts += enc->frame_size;
990 av_init_packet(&pkt);
992 ost->sync_opts += size_out / (osize * enc->channels);
994 /* output a pcm frame */
995 /* determine the size of the coded buffer */
998 size_out = size_out*coded_bps/8;
1000 if(size_out > audio_out_size){
1001 fprintf(stderr, "Internal error, buffer size too small\n");
1005 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1006 ret = avcodec_encode_audio(enc, audio_out, size_out,
1009 fprintf(stderr, "Audio encoding failed\n");
1013 pkt.stream_index= ost->index;
1014 pkt.data= audio_out;
1016 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1017 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1018 pkt.flags |= AV_PKT_FLAG_KEY;
1019 write_frame(s, &pkt, enc, ost->bitstream_filters);
1023 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1025 AVCodecContext *dec;
1026 AVPicture *picture2;
1027 AVPicture picture_tmp;
1030 dec = ist->st->codec;
1032 /* deinterlace : must be done before any resize */
1033 if (do_deinterlace) {
1036 /* create temporary picture */
1037 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1038 buf = av_malloc(size);
1042 picture2 = &picture_tmp;
1043 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1045 if(avpicture_deinterlace(picture2, picture,
1046 dec->pix_fmt, dec->width, dec->height) < 0) {
1047 /* if error, do not deinterlace */
1048 fprintf(stderr, "Deinterlacing failed\n");
1057 if (picture != picture2)
1058 *picture = *picture2;
1062 /* we begin to correct av delay at this threshold */
1063 #define AV_DELAY_MAX 0.100
1065 static void do_subtitle_out(AVFormatContext *s,
1071 static uint8_t *subtitle_out = NULL;
1072 int subtitle_out_max_size = 1024 * 1024;
1073 int subtitle_out_size, nb, i;
1074 AVCodecContext *enc;
1077 if (pts == AV_NOPTS_VALUE) {
1078 fprintf(stderr, "Subtitle packets must have a pts\n");
1084 enc = ost->st->codec;
1086 if (!subtitle_out) {
1087 subtitle_out = av_malloc(subtitle_out_max_size);
1090 /* Note: DVB subtitle need one packet to draw them and one other
1091 packet to clear them */
1092 /* XXX: signal it in the codec context ? */
1093 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1098 for(i = 0; i < nb; i++) {
1099 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1100 // start_display_time is required to be 0
1101 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1102 sub->end_display_time -= sub->start_display_time;
1103 sub->start_display_time = 0;
1104 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1105 subtitle_out_max_size, sub);
1106 if (subtitle_out_size < 0) {
1107 fprintf(stderr, "Subtitle encoding failed\n");
1111 av_init_packet(&pkt);
1112 pkt.stream_index = ost->index;
1113 pkt.data = subtitle_out;
1114 pkt.size = subtitle_out_size;
1115 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1116 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1117 /* XXX: the pts correction is handled here. Maybe handling
1118 it in the codec would be better */
1120 pkt.pts += 90 * sub->start_display_time;
1122 pkt.pts += 90 * sub->end_display_time;
1124 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1128 static int bit_buffer_size= 1024*256;
1129 static uint8_t *bit_buffer= NULL;
1131 static void do_video_out(AVFormatContext *s,
1134 AVFrame *in_picture,
1135 int *frame_size, float quality)
1137 int nb_frames, i, ret, resample_changed;
1138 AVFrame *final_picture, *formatted_picture;
1139 AVCodecContext *enc, *dec;
1142 enc = ost->st->codec;
1143 dec = ist->st->codec;
1145 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1147 /* by default, we output a single frame */
1152 if(video_sync_method){
1153 double vdelta = sync_ipts - ost->sync_opts;
1154 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1157 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1160 }else if(vdelta>0.6)
1161 ost->sync_opts= lrintf(sync_ipts);
1162 }else if (vdelta > 1.1)
1163 nb_frames = lrintf(vdelta);
1164 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1165 if (nb_frames == 0){
1168 fprintf(stderr, "*** drop!\n");
1169 }else if (nb_frames > 1) {
1170 nb_frames_dup += nb_frames - 1;
1172 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1175 ost->sync_opts= lrintf(sync_ipts);
1177 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1181 formatted_picture = in_picture;
1182 final_picture = formatted_picture;
1184 resample_changed = ost->resample_width != dec->width ||
1185 ost->resample_height != dec->height ||
1186 ost->resample_pix_fmt != dec->pix_fmt;
1188 if (resample_changed) {
1189 av_log(NULL, AV_LOG_INFO,
1190 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1191 ist->file_index, ist->st->index,
1192 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1193 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1194 if(!ost->video_resample)
1198 #if !CONFIG_AVFILTER
1199 if (ost->video_resample) {
1200 final_picture = &ost->pict_tmp;
1201 if (resample_changed) {
1202 /* initialize a new scaler context */
1203 sws_freeContext(ost->img_resample_ctx);
1204 ost->img_resample_ctx = sws_getContext(
1205 ist->st->codec->width,
1206 ist->st->codec->height,
1207 ist->st->codec->pix_fmt,
1208 ost->st->codec->width,
1209 ost->st->codec->height,
1210 ost->st->codec->pix_fmt,
1211 ost->sws_flags, NULL, NULL, NULL);
1212 if (ost->img_resample_ctx == NULL) {
1213 fprintf(stderr, "Cannot get resampling context\n");
1217 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1218 0, ost->resample_height, final_picture->data, final_picture->linesize);
1222 /* duplicates frame if needed */
1223 for(i=0;i<nb_frames;i++) {
1225 av_init_packet(&pkt);
1226 pkt.stream_index= ost->index;
1228 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1229 /* raw pictures are written as AVPicture structure to
1230 avoid any copies. We support temorarily the older
1232 AVFrame* old_frame = enc->coded_frame;
1233 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1234 pkt.data= (uint8_t *)final_picture;
1235 pkt.size= sizeof(AVPicture);
1236 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1237 pkt.flags |= AV_PKT_FLAG_KEY;
1239 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1240 enc->coded_frame = old_frame;
1242 AVFrame big_picture;
1244 big_picture= *final_picture;
1245 /* better than nothing: use input picture interlaced
1247 big_picture.interlaced_frame = in_picture->interlaced_frame;
1248 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1249 if(top_field_first == -1)
1250 big_picture.top_field_first = in_picture->top_field_first;
1252 big_picture.top_field_first = top_field_first;
1255 /* handles sameq here. This is not correct because it may
1256 not be a global option */
1257 big_picture.quality = quality;
1259 big_picture.pict_type = 0;
1260 // big_picture.pts = AV_NOPTS_VALUE;
1261 big_picture.pts= ost->sync_opts;
1262 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1263 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1264 if (ost->forced_kf_index < ost->forced_kf_count &&
1265 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1266 big_picture.pict_type = AV_PICTURE_TYPE_I;
1267 ost->forced_kf_index++;
1269 ret = avcodec_encode_video(enc,
1270 bit_buffer, bit_buffer_size,
1273 fprintf(stderr, "Video encoding failed\n");
1278 pkt.data= bit_buffer;
1280 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1281 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1282 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1283 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1284 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1286 if(enc->coded_frame->key_frame)
1287 pkt.flags |= AV_PKT_FLAG_KEY;
1288 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1291 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1292 // enc->frame_number-1, ret, enc->pict_type);
1293 /* if two pass, output log */
1294 if (ost->logfile && enc->stats_out) {
1295 fprintf(ost->logfile, "%s", enc->stats_out);
1300 ost->frame_number++;
1304 static double psnr(double d){
1305 return -10.0*log(d)/log(10.0);
1308 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1311 AVCodecContext *enc;
1313 double ti1, bitrate, avg_bitrate;
1315 /* this is executed just the first time do_video_stats is called */
1317 vstats_file = fopen(vstats_filename, "w");
1324 enc = ost->st->codec;
1325 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1326 frame_number = ost->frame_number;
1327 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1328 if (enc->flags&CODEC_FLAG_PSNR)
1329 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1331 fprintf(vstats_file,"f_size= %6d ", frame_size);
1332 /* compute pts value */
1333 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1337 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1338 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1339 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1340 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1341 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1345 static void print_report(AVFormatContext **output_files,
1346 OutputStream **ost_table, int nb_ostreams,
1351 AVFormatContext *oc;
1353 AVCodecContext *enc;
1354 int frame_number, vid, i;
1355 double bitrate, ti1, pts;
1356 static int64_t last_time = -1;
1357 static int qp_histogram[52];
1359 if (!is_last_report) {
1361 /* display the report every 0.5 seconds */
1362 cur_time = av_gettime();
1363 if (last_time == -1) {
1364 last_time = cur_time;
1367 if ((cur_time - last_time) < 500000)
1369 last_time = cur_time;
1373 oc = output_files[0];
1375 total_size = avio_size(oc->pb);
1376 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1377 total_size= avio_tell(oc->pb);
1382 for(i=0;i<nb_ostreams;i++) {
1385 enc = ost->st->codec;
1386 if (!ost->st->stream_copy && enc->coded_frame)
1387 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1388 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1389 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1391 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1392 float t = (av_gettime()-timer_start) / 1000000.0;
1394 frame_number = ost->frame_number;
1395 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1396 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1398 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1402 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1405 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1407 if (enc->flags&CODEC_FLAG_PSNR){
1409 double error, error_sum=0;
1410 double scale, scale_sum=0;
1411 char type[3]= {'Y','U','V'};
1412 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1415 error= enc->error[j];
1416 scale= enc->width*enc->height*255.0*255.0*frame_number;
1418 error= enc->coded_frame->error[j];
1419 scale= enc->width*enc->height*255.0*255.0;
1424 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1426 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1430 /* compute min output value */
1431 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1432 if ((pts < ti1) && (pts > 0))
1438 if (verbose > 0 || is_last_report) {
1439 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1441 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1442 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1443 (double)total_size / 1024, ti1, bitrate);
1445 if (nb_frames_dup || nb_frames_drop)
1446 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1447 nb_frames_dup, nb_frames_drop);
1450 fprintf(stderr, "%s \r", buf);
1455 if (is_last_report && verbose >= 0){
1456 int64_t raw= audio_size + video_size + extra_size;
1457 fprintf(stderr, "\n");
1458 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1462 100.0*(total_size - raw)/raw
1467 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1469 int fill_char = 0x00;
1470 if (sample_fmt == AV_SAMPLE_FMT_U8)
1472 memset(buf, fill_char, size);
1475 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1476 static int output_packet(InputStream *ist, int ist_index,
1477 OutputStream **ost_table, int nb_ostreams,
1478 const AVPacket *pkt)
1480 AVFormatContext *os;
1485 void *buffer_to_free = NULL;
1486 static unsigned int samples_size= 0;
1487 AVSubtitle subtitle, *subtitle_to_free;
1488 int64_t pkt_pts = AV_NOPTS_VALUE;
1490 int frame_available;
1495 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1497 if(ist->next_pts == AV_NOPTS_VALUE)
1498 ist->next_pts= ist->pts;
1502 av_init_packet(&avpkt);
1510 if(pkt->dts != AV_NOPTS_VALUE)
1511 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1512 if(pkt->pts != AV_NOPTS_VALUE)
1513 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1515 //while we have more to decode or while the decoder did output something on EOF
1516 while (avpkt.size > 0 || (!pkt && got_output)) {
1517 uint8_t *data_buf, *decoded_data_buf;
1518 int data_size, decoded_data_size;
1520 ist->pts= ist->next_pts;
1522 if(avpkt.size && avpkt.size != pkt->size &&
1523 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1524 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1525 ist->showed_multi_packet_warning=1;
1528 /* decode the packet if needed */
1529 decoded_data_buf = NULL; /* fail safe */
1530 decoded_data_size= 0;
1531 data_buf = avpkt.data;
1532 data_size = avpkt.size;
1533 subtitle_to_free = NULL;
1534 if (ist->decoding_needed) {
1535 switch(ist->st->codec->codec_type) {
1536 case AVMEDIA_TYPE_AUDIO:{
1537 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1538 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1540 samples= av_malloc(samples_size);
1542 decoded_data_size= samples_size;
1543 /* XXX: could avoid copy if PCM 16 bits with same
1544 endianness as CPU */
1545 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1552 got_output = decoded_data_size > 0;
1553 /* Some bug in mpeg audio decoder gives */
1554 /* decoded_data_size < 0, it seems they are overflows */
1556 /* no audio frame */
1559 decoded_data_buf = (uint8_t *)samples;
1560 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1561 (ist->st->codec->sample_rate * ist->st->codec->channels);
1563 case AVMEDIA_TYPE_VIDEO:
1564 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1565 /* XXX: allocate picture correctly */
1566 avcodec_get_frame_defaults(&picture);
1567 avpkt.pts = pkt_pts;
1568 avpkt.dts = ist->pts;
1569 pkt_pts = AV_NOPTS_VALUE;
1571 ret = avcodec_decode_video2(ist->st->codec,
1572 &picture, &got_output, &avpkt);
1573 quality = same_quality ? picture.quality : 0;
1577 /* no picture yet */
1578 goto discard_packet;
1580 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1581 if (ist->st->codec->time_base.num != 0) {
1582 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1583 ist->next_pts += ((int64_t)AV_TIME_BASE *
1584 ist->st->codec->time_base.num * ticks) /
1585 ist->st->codec->time_base.den;
1588 buffer_to_free = NULL;
1589 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1591 case AVMEDIA_TYPE_SUBTITLE:
1592 ret = avcodec_decode_subtitle2(ist->st->codec,
1593 &subtitle, &got_output, &avpkt);
1597 goto discard_packet;
1599 subtitle_to_free = &subtitle;
1606 switch(ist->st->codec->codec_type) {
1607 case AVMEDIA_TYPE_AUDIO:
1608 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1609 ist->st->codec->sample_rate;
1611 case AVMEDIA_TYPE_VIDEO:
1612 if (ist->st->codec->time_base.num != 0) {
1613 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1614 ist->next_pts += ((int64_t)AV_TIME_BASE *
1615 ist->st->codec->time_base.num * ticks) /
1616 ist->st->codec->time_base.den;
1625 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1626 for (i = 0; i < nb_ostreams; i++) {
1628 if (ost->input_video_filter && ost->source_index == ist_index) {
1630 if (ist->st->sample_aspect_ratio.num)
1631 sar = ist->st->sample_aspect_ratio;
1633 sar = ist->st->codec->sample_aspect_ratio;
1634 // add it to be filtered
1635 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture,
1643 // preprocess audio (volume)
1644 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1645 if (audio_volume != 256) {
1648 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1649 int v = ((*volp) * audio_volume + 128) >> 8;
1650 if (v < -32768) v = -32768;
1651 if (v > 32767) v = 32767;
1657 /* frame rate emulation */
1659 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1660 int64_t now = av_gettime() - ist->start;
1664 /* if output time reached then transcode raw format,
1665 encode packets and output them */
1666 if (start_time == 0 || ist->pts >= start_time)
1667 for(i=0;i<nb_ostreams;i++) {
1671 if (ost->source_index == ist_index) {
1673 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1674 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1675 while (frame_available) {
1676 AVRational ist_pts_tb;
1677 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1678 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1680 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1682 os = output_files[ost->file_index];
1684 /* set the input output pts pairs */
1685 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1687 if (ost->encoding_needed) {
1688 av_assert0(ist->decoding_needed);
1689 switch(ost->st->codec->codec_type) {
1690 case AVMEDIA_TYPE_AUDIO:
1691 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1693 case AVMEDIA_TYPE_VIDEO:
1695 if (ost->picref->video && !ost->frame_aspect_ratio)
1696 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1698 do_video_out(os, ost, ist, &picture, &frame_size,
1699 same_quality ? quality : ost->st->codec->global_quality);
1700 if (vstats_filename && frame_size)
1701 do_video_stats(os, ost, frame_size);
1703 case AVMEDIA_TYPE_SUBTITLE:
1704 do_subtitle_out(os, ost, ist, &subtitle,
1711 AVFrame avframe; //FIXME/XXX remove this
1713 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1715 av_init_packet(&opkt);
1717 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1718 #if !CONFIG_AVFILTER
1724 /* no reencoding needed : output the packet directly */
1725 /* force the input stream PTS */
1727 avcodec_get_frame_defaults(&avframe);
1728 ost->st->codec->coded_frame= &avframe;
1729 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1731 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1732 audio_size += data_size;
1733 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1734 video_size += data_size;
1738 opkt.stream_index= ost->index;
1739 if(pkt->pts != AV_NOPTS_VALUE)
1740 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1742 opkt.pts= AV_NOPTS_VALUE;
1744 if (pkt->dts == AV_NOPTS_VALUE)
1745 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1747 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1748 opkt.dts -= ost_tb_start_time;
1750 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1751 opkt.flags= pkt->flags;
1753 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1754 if( ost->st->codec->codec_id != CODEC_ID_H264
1755 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1756 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1758 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1759 opkt.destruct= av_destruct_packet;
1761 opkt.data = data_buf;
1762 opkt.size = data_size;
1765 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1766 ost->st->codec->frame_number++;
1767 ost->frame_number++;
1768 av_free_packet(&opkt);
1772 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1773 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1775 avfilter_unref_buffer(ost->picref);
1781 av_free(buffer_to_free);
1782 /* XXX: allocate the subtitles in the codec ? */
1783 if (subtitle_to_free) {
1784 avsubtitle_free(subtitle_to_free);
1785 subtitle_to_free = NULL;
1792 for(i=0;i<nb_ostreams;i++) {
1794 if (ost->source_index == ist_index) {
1795 AVCodecContext *enc= ost->st->codec;
1796 os = output_files[ost->file_index];
1798 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1800 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1803 if (ost->encoding_needed) {
1807 av_init_packet(&pkt);
1808 pkt.stream_index= ost->index;
1810 switch(ost->st->codec->codec_type) {
1811 case AVMEDIA_TYPE_AUDIO:
1812 fifo_bytes = av_fifo_size(ost->fifo);
1814 /* encode any samples remaining in fifo */
1815 if (fifo_bytes > 0) {
1816 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1817 int fs_tmp = enc->frame_size;
1819 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1820 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1821 enc->frame_size = fifo_bytes / (osize * enc->channels);
1823 int frame_bytes = enc->frame_size*osize*enc->channels;
1824 if (allocated_audio_buf_size < frame_bytes)
1826 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1829 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1830 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1831 ost->st->time_base.num, enc->sample_rate);
1832 enc->frame_size = fs_tmp;
1835 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1838 fprintf(stderr, "Audio encoding failed\n");
1842 pkt.flags |= AV_PKT_FLAG_KEY;
1844 case AVMEDIA_TYPE_VIDEO:
1845 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1847 fprintf(stderr, "Video encoding failed\n");
1851 if(enc->coded_frame && enc->coded_frame->key_frame)
1852 pkt.flags |= AV_PKT_FLAG_KEY;
1853 if (ost->logfile && enc->stats_out) {
1854 fprintf(ost->logfile, "%s", enc->stats_out);
1863 pkt.data= bit_buffer;
1865 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1866 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1867 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1877 static void print_sdp(AVFormatContext **avc, int n)
1881 av_sdp_create(avc, n, sdp, sizeof(sdp));
1882 printf("SDP:\n%s\n", sdp);
1886 static int copy_chapters(int infile, int outfile)
1888 AVFormatContext *is = input_files[infile].ctx;
1889 AVFormatContext *os = output_files[outfile];
1892 for (i = 0; i < is->nb_chapters; i++) {
1893 AVChapter *in_ch = is->chapters[i], *out_ch;
1894 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
1895 AV_TIME_BASE_Q, in_ch->time_base);
1896 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1897 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1900 if (in_ch->end < ts_off)
1902 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1905 out_ch = av_mallocz(sizeof(AVChapter));
1907 return AVERROR(ENOMEM);
1909 out_ch->id = in_ch->id;
1910 out_ch->time_base = in_ch->time_base;
1911 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1912 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1914 if (metadata_chapters_autocopy)
1915 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1918 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1920 return AVERROR(ENOMEM);
1921 os->chapters[os->nb_chapters - 1] = out_ch;
1926 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1927 AVCodecContext *avctx)
1933 for (p = kf; *p; p++)
1936 ost->forced_kf_count = n;
1937 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1938 if (!ost->forced_kf_pts) {
1939 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1942 for (i = 0; i < n; i++) {
1943 p = i ? strchr(p, ',') + 1 : kf;
1944 t = parse_time_or_die("force_key_frames", p, 1);
1945 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1950 * The following code is the main loop of the file converter
1952 static int transcode(AVFormatContext **output_files,
1953 int nb_output_files,
1954 InputFile *input_files,
1956 StreamMap *stream_maps, int nb_stream_maps)
1958 int ret = 0, i, j, k, n, nb_ostreams = 0;
1959 AVFormatContext *is, *os;
1960 AVCodecContext *codec, *icodec;
1961 OutputStream *ost, **ost_table = NULL;
1965 uint8_t no_packet[MAX_FILES]={0};
1966 int no_packet_count=0;
1969 for (i = 0; i < nb_input_streams; i++)
1970 input_streams[i].start = av_gettime();
1972 /* output stream init */
1974 for(i=0;i<nb_output_files;i++) {
1975 os = output_files[i];
1976 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1977 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
1978 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1979 ret = AVERROR(EINVAL);
1982 nb_ostreams += os->nb_streams;
1984 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1985 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1986 ret = AVERROR(EINVAL);
1990 /* Sanity check the mapping args -- do the input files & streams exist? */
1991 for(i=0;i<nb_stream_maps;i++) {
1992 int fi = stream_maps[i].file_index;
1993 int si = stream_maps[i].stream_index;
1995 if (fi < 0 || fi > nb_input_files - 1 ||
1996 si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
1997 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1998 ret = AVERROR(EINVAL);
2001 fi = stream_maps[i].sync_file_index;
2002 si = stream_maps[i].sync_stream_index;
2003 if (fi < 0 || fi > nb_input_files - 1 ||
2004 si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
2005 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2006 ret = AVERROR(EINVAL);
2011 ost_table = av_mallocz(sizeof(OutputStream *) * nb_ostreams);
2015 for(k=0;k<nb_output_files;k++) {
2016 os = output_files[k];
2017 for(i=0;i<os->nb_streams;i++,n++) {
2019 ost = ost_table[n] = output_streams_for_file[k][i];
2020 if (nb_stream_maps > 0) {
2021 ost->source_index = input_files[stream_maps[n].file_index].ist_index +
2022 stream_maps[n].stream_index;
2024 /* Sanity check that the stream types match */
2025 if (input_streams[ost->source_index].st->codec->codec_type != ost->st->codec->codec_type) {
2026 int i= ost->file_index;
2027 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2028 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2029 stream_maps[n].file_index, stream_maps[n].stream_index,
2030 ost->file_index, ost->index);
2035 int best_nb_frames=-1;
2036 /* get corresponding input stream index : we select the first one with the right type */
2038 for (j = 0; j < nb_input_streams; j++) {
2040 ist = &input_streams[j];
2043 AVFormatContext *f = input_files[ist->file_index].ctx;
2045 for(pi=0; pi<f->nb_programs; pi++){
2046 AVProgram *p= f->programs[pi];
2047 if(p->id == opt_programid)
2048 for(si=0; si<p->nb_stream_indexes; si++){
2049 if(f->streams[ p->stream_index[si] ] == ist->st)
2054 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2055 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2056 if(best_nb_frames < ist->st->codec_info_nb_frames){
2057 best_nb_frames= ist->st->codec_info_nb_frames;
2058 ost->source_index = j;
2065 if(! opt_programid) {
2066 /* try again and reuse existing stream */
2067 for (j = 0; j < nb_input_streams; j++) {
2068 ist = &input_streams[j];
2069 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2070 && ist->st->discard != AVDISCARD_ALL) {
2071 ost->source_index = j;
2077 int i= ost->file_index;
2078 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2079 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2080 ost->file_index, ost->index);
2085 ist = &input_streams[ost->source_index];
2087 ost->sync_ist = (nb_stream_maps > 0) ?
2088 &input_streams[input_files[stream_maps[n].sync_file_index].ist_index +
2089 stream_maps[n].sync_stream_index] : ist;
2093 /* for each output stream, we compute the right encoding parameters */
2094 for(i=0;i<nb_ostreams;i++) {
2096 os = output_files[ost->file_index];
2097 ist = &input_streams[ost->source_index];
2099 codec = ost->st->codec;
2100 icodec = ist->st->codec;
2102 if (metadata_streams_autocopy)
2103 av_dict_copy(&ost->st->metadata, ist->st->metadata,
2104 AV_DICT_DONT_OVERWRITE);
2106 ost->st->disposition = ist->st->disposition;
2107 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2108 codec->chroma_sample_location = icodec->chroma_sample_location;
2110 if (ost->st->stream_copy) {
2111 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2113 if (extra_size > INT_MAX)
2116 /* if stream_copy is selected, no need to decode or encode */
2117 codec->codec_id = icodec->codec_id;
2118 codec->codec_type = icodec->codec_type;
2120 if(!codec->codec_tag){
2121 if( !os->oformat->codec_tag
2122 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2123 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2124 codec->codec_tag = icodec->codec_tag;
2127 codec->bit_rate = icodec->bit_rate;
2128 codec->rc_max_rate = icodec->rc_max_rate;
2129 codec->rc_buffer_size = icodec->rc_buffer_size;
2130 codec->extradata= av_mallocz(extra_size);
2131 if (!codec->extradata)
2133 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2134 codec->extradata_size= icodec->extradata_size;
2135 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
2136 codec->time_base = icodec->time_base;
2137 codec->time_base.num *= icodec->ticks_per_frame;
2138 av_reduce(&codec->time_base.num, &codec->time_base.den,
2139 codec->time_base.num, codec->time_base.den, INT_MAX);
2141 codec->time_base = ist->st->time_base;
2142 switch(codec->codec_type) {
2143 case AVMEDIA_TYPE_AUDIO:
2144 if(audio_volume != 256) {
2145 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2148 codec->channel_layout = icodec->channel_layout;
2149 codec->sample_rate = icodec->sample_rate;
2150 codec->channels = icodec->channels;
2151 codec->frame_size = icodec->frame_size;
2152 codec->audio_service_type = icodec->audio_service_type;
2153 codec->block_align= icodec->block_align;
2154 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2155 codec->block_align= 0;
2156 if(codec->codec_id == CODEC_ID_AC3)
2157 codec->block_align= 0;
2159 case AVMEDIA_TYPE_VIDEO:
2160 codec->pix_fmt = icodec->pix_fmt;
2161 codec->width = icodec->width;
2162 codec->height = icodec->height;
2163 codec->has_b_frames = icodec->has_b_frames;
2164 if (!codec->sample_aspect_ratio.num) {
2165 codec->sample_aspect_ratio =
2166 ost->st->sample_aspect_ratio =
2167 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2168 ist->st->codec->sample_aspect_ratio.num ?
2169 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2172 case AVMEDIA_TYPE_SUBTITLE:
2173 codec->width = icodec->width;
2174 codec->height = icodec->height;
2176 case AVMEDIA_TYPE_DATA:
2183 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2184 switch(codec->codec_type) {
2185 case AVMEDIA_TYPE_AUDIO:
2186 ost->fifo= av_fifo_alloc(1024);
2189 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2190 if (!codec->sample_rate) {
2191 codec->sample_rate = icodec->sample_rate;
2193 codec->sample_rate >>= icodec->lowres;
2195 choose_sample_rate(ost->st, ost->enc);
2196 codec->time_base = (AVRational){1, codec->sample_rate};
2197 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2198 codec->sample_fmt = icodec->sample_fmt;
2199 choose_sample_fmt(ost->st, ost->enc);
2200 if (!codec->channels)
2201 codec->channels = icodec->channels;
2202 codec->channel_layout = icodec->channel_layout;
2203 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2204 codec->channel_layout = 0;
2205 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2206 icodec->request_channels = codec->channels;
2207 ist->decoding_needed = 1;
2208 ost->encoding_needed = 1;
2209 ost->resample_sample_fmt = icodec->sample_fmt;
2210 ost->resample_sample_rate = icodec->sample_rate;
2211 ost->resample_channels = icodec->channels;
2213 case AVMEDIA_TYPE_VIDEO:
2214 if (codec->pix_fmt == PIX_FMT_NONE)
2215 codec->pix_fmt = icodec->pix_fmt;
2216 choose_pixel_fmt(ost->st, ost->enc);
2218 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2219 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2223 if (!codec->width || !codec->height) {
2224 codec->width = icodec->width;
2225 codec->height = icodec->height;
2228 ost->video_resample = codec->width != icodec->width ||
2229 codec->height != icodec->height ||
2230 codec->pix_fmt != icodec->pix_fmt;
2231 if (ost->video_resample) {
2232 #if !CONFIG_AVFILTER
2233 avcodec_get_frame_defaults(&ost->pict_tmp);
2234 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2235 codec->width, codec->height)) {
2236 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2239 ost->img_resample_ctx = sws_getContext(
2246 ost->sws_flags, NULL, NULL, NULL);
2247 if (ost->img_resample_ctx == NULL) {
2248 fprintf(stderr, "Cannot get resampling context\n");
2252 codec->bits_per_raw_sample= 0;
2255 ost->resample_height = icodec->height;
2256 ost->resample_width = icodec->width;
2257 ost->resample_pix_fmt= icodec->pix_fmt;
2258 ost->encoding_needed = 1;
2259 ist->decoding_needed = 1;
2261 if (!ost->frame_rate.num)
2262 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2263 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2264 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2265 ost->frame_rate = ost->enc->supported_framerates[idx];
2267 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2270 if (configure_video_filters(ist, ost)) {
2271 fprintf(stderr, "Error opening filters!\n");
2276 case AVMEDIA_TYPE_SUBTITLE:
2277 ost->encoding_needed = 1;
2278 ist->decoding_needed = 1;
2285 if (ost->encoding_needed &&
2286 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2287 char logfilename[1024];
2290 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2291 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2293 if (codec->flags & CODEC_FLAG_PASS1) {
2294 f = fopen(logfilename, "wb");
2296 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2302 size_t logbuffer_size;
2303 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2304 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2307 codec->stats_in = logbuffer;
2311 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2312 int size= codec->width * codec->height;
2313 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2318 bit_buffer = av_malloc(bit_buffer_size);
2320 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2322 ret = AVERROR(ENOMEM);
2326 /* open each encoder */
2327 for(i=0;i<nb_ostreams;i++) {
2329 if (ost->encoding_needed) {
2330 AVCodec *codec = ost->enc;
2331 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2333 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2334 ost->st->codec->codec_id, ost->file_index, ost->index);
2335 ret = AVERROR(EINVAL);
2338 if (dec->subtitle_header) {
2339 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2340 if (!ost->st->codec->subtitle_header) {
2341 ret = AVERROR(ENOMEM);
2344 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2345 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2347 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2348 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2349 ost->file_index, ost->index);
2350 ret = AVERROR(EINVAL);
2353 assert_codec_experimental(ost->st->codec, 1);
2354 assert_avoptions(ost->opts);
2355 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2356 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2357 "It takes bits/s as argument, not kbits/s\n");
2358 extra_size += ost->st->codec->extradata_size;
2362 /* open each decoder */
2363 for (i = 0; i < nb_input_streams; i++) {
2364 ist = &input_streams[i];
2365 if (ist->decoding_needed) {
2366 AVCodec *codec = ist->dec;
2368 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2370 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2371 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2372 ret = AVERROR(EINVAL);
2376 /* update requested sample format for the decoder based on the
2377 corresponding encoder sample format */
2378 for (j = 0; j < nb_ostreams; j++) {
2380 if (ost->source_index == i) {
2381 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2386 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2387 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2388 ist->file_index, ist->st->index);
2389 ret = AVERROR(EINVAL);
2392 assert_codec_experimental(ist->st->codec, 0);
2393 assert_avoptions(ost->opts);
2394 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2395 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2400 for (i = 0; i < nb_input_streams; i++) {
2402 ist = &input_streams[i];
2404 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2405 ist->next_pts = AV_NOPTS_VALUE;
2406 init_pts_correction(&ist->pts_ctx);
2410 /* set meta data information from input file if required */
2411 for (i=0;i<nb_meta_data_maps;i++) {
2412 AVFormatContext *files[2];
2413 AVDictionary **meta[2];
2416 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2417 if ((index) < 0 || (index) >= (nb_elems)) {\
2418 snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2420 ret = AVERROR(EINVAL);\
2424 int out_file_index = meta_data_maps[i][0].file;
2425 int in_file_index = meta_data_maps[i][1].file;
2426 if (in_file_index < 0 || out_file_index < 0)
2428 METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2429 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2431 files[0] = output_files[out_file_index];
2432 files[1] = input_files[in_file_index].ctx;
2434 for (j = 0; j < 2; j++) {
2435 MetadataMap *map = &meta_data_maps[i][j];
2437 switch (map->type) {
2439 meta[j] = &files[j]->metadata;
2442 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2443 meta[j] = &files[j]->streams[map->index]->metadata;
2446 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2447 meta[j] = &files[j]->chapters[map->index]->metadata;
2450 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2451 meta[j] = &files[j]->programs[map->index]->metadata;
2456 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
2459 /* copy global metadata by default */
2460 if (metadata_global_autocopy) {
2462 for (i = 0; i < nb_output_files; i++)
2463 av_dict_copy(&output_files[i]->metadata, input_files[0].ctx->metadata,
2464 AV_DICT_DONT_OVERWRITE);
2467 /* copy chapters according to chapter maps */
2468 for (i = 0; i < nb_chapter_maps; i++) {
2469 int infile = chapter_maps[i].in_file;
2470 int outfile = chapter_maps[i].out_file;
2472 if (infile < 0 || outfile < 0)
2474 if (infile >= nb_input_files) {
2475 snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2476 ret = AVERROR(EINVAL);
2479 if (outfile >= nb_output_files) {
2480 snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2481 ret = AVERROR(EINVAL);
2484 copy_chapters(infile, outfile);
2487 /* copy chapters from the first input file that has them*/
2488 if (!nb_chapter_maps)
2489 for (i = 0; i < nb_input_files; i++) {
2490 if (!input_files[i].ctx->nb_chapters)
2493 for (j = 0; j < nb_output_files; j++)
2494 if ((ret = copy_chapters(i, j)) < 0)
2499 /* open files and write file headers */
2500 for(i=0;i<nb_output_files;i++) {
2501 os = output_files[i];
2502 if (avformat_write_header(os, &output_opts[i]) < 0) {
2503 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2504 ret = AVERROR(EINVAL);
2507 assert_avoptions(output_opts[i]);
2508 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2514 /* dump the file output parameters - cannot be done before in case
2516 for(i=0;i<nb_output_files;i++) {
2517 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2520 /* dump the stream mapping */
2522 fprintf(stderr, "Stream mapping:\n");
2523 for(i=0;i<nb_ostreams;i++) {
2525 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2526 input_streams[ost->source_index].file_index,
2527 input_streams[ost->source_index].st->index,
2530 if (ost->sync_ist != &input_streams[ost->source_index])
2531 fprintf(stderr, " [sync #%d.%d]",
2532 ost->sync_ist->file_index,
2533 ost->sync_ist->st->index);
2534 fprintf(stderr, "\n");
2539 fprintf(stderr, "%s\n", error);
2544 print_sdp(output_files, nb_output_files);
2548 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2551 timer_start = av_gettime();
2553 for(; received_sigterm == 0;) {
2554 int file_index, ist_index;
2563 /* select the stream that we must read now by looking at the
2564 smallest output pts */
2566 for(i=0;i<nb_ostreams;i++) {
2569 os = output_files[ost->file_index];
2570 ist = &input_streams[ost->source_index];
2571 if(ist->is_past_recording_time || no_packet[ist->file_index])
2573 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2574 ipts = (double)ist->pts;
2575 if (!input_files[ist->file_index].eof_reached){
2576 if(ipts < ipts_min) {
2578 if(input_sync ) file_index = ist->file_index;
2580 if(opts < opts_min) {
2582 if(!input_sync) file_index = ist->file_index;
2585 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2590 /* if none, if is finished */
2591 if (file_index < 0) {
2592 if(no_packet_count){
2594 memset(no_packet, 0, sizeof(no_packet));
2601 /* finish if limit size exhausted */
2602 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2605 /* read a frame from it and output it in the fifo */
2606 is = input_files[file_index].ctx;
2607 ret= av_read_frame(is, &pkt);
2608 if(ret == AVERROR(EAGAIN)){
2609 no_packet[file_index]=1;
2614 input_files[file_index].eof_reached = 1;
2622 memset(no_packet, 0, sizeof(no_packet));
2625 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2626 is->streams[pkt.stream_index]);
2628 /* the following test is needed in case new streams appear
2629 dynamically in stream : we ignore them */
2630 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2631 goto discard_packet;
2632 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2633 ist = &input_streams[ist_index];
2635 goto discard_packet;
2637 if (pkt.dts != AV_NOPTS_VALUE)
2638 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2639 if (pkt.pts != AV_NOPTS_VALUE)
2640 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2642 if (ist->ts_scale) {
2643 if(pkt.pts != AV_NOPTS_VALUE)
2644 pkt.pts *= ist->ts_scale;
2645 if(pkt.dts != AV_NOPTS_VALUE)
2646 pkt.dts *= ist->ts_scale;
2649 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2650 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2651 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2652 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2653 int64_t delta= pkt_dts - ist->next_pts;
2654 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2655 input_files[ist->file_index].ts_offset -= delta;
2657 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2658 delta, input_files[ist->file_index].ts_offset);
2659 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2660 if(pkt.pts != AV_NOPTS_VALUE)
2661 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2665 /* finish if recording time exhausted */
2666 if (recording_time != INT64_MAX &&
2667 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2668 ist->is_past_recording_time = 1;
2669 goto discard_packet;
2672 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2673 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2676 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2677 ist->file_index, ist->st->index);
2680 av_free_packet(&pkt);
2685 av_free_packet(&pkt);
2687 /* dump report by using the output first video and audio streams */
2688 print_report(output_files, ost_table, nb_ostreams, 0);
2691 /* at the end of stream, we must flush the decoder buffers */
2692 for (i = 0; i < nb_input_streams; i++) {
2693 ist = &input_streams[i];
2694 if (ist->decoding_needed) {
2695 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2701 /* write the trailer if needed and close file */
2702 for(i=0;i<nb_output_files;i++) {
2703 os = output_files[i];
2704 av_write_trailer(os);
2707 /* dump report by using the first video and audio streams */
2708 print_report(output_files, ost_table, nb_ostreams, 1);
2710 /* close each encoder */
2711 for(i=0;i<nb_ostreams;i++) {
2713 if (ost->encoding_needed) {
2714 av_freep(&ost->st->codec->stats_in);
2715 avcodec_close(ost->st->codec);
2718 avfilter_graph_free(&ost->graph);
2722 /* close each decoder */
2723 for (i = 0; i < nb_input_streams; i++) {
2724 ist = &input_streams[i];
2725 if (ist->decoding_needed) {
2726 avcodec_close(ist->st->codec);
2734 av_freep(&bit_buffer);
2737 for(i=0;i<nb_ostreams;i++) {
2740 if (ost->st->stream_copy)
2741 av_freep(&ost->st->codec->extradata);
2743 fclose(ost->logfile);
2744 ost->logfile = NULL;
2746 av_fifo_free(ost->fifo); /* works even if fifo is not
2747 initialized but set to zero */
2748 av_freep(&ost->st->codec->subtitle_header);
2749 av_free(ost->pict_tmp.data[0]);
2750 av_free(ost->forced_kf_pts);
2751 if (ost->video_resample)
2752 sws_freeContext(ost->img_resample_ctx);
2754 audio_resample_close(ost->resample);
2755 if (ost->reformat_ctx)
2756 av_audio_convert_free(ost->reformat_ctx);
2757 av_dict_free(&ost->opts);
2766 static int opt_format(const char *opt, const char *arg)
2768 last_asked_format = arg;
2772 static int opt_video_rc_override_string(const char *opt, const char *arg)
2774 video_rc_override_string = arg;
2778 static int opt_me_threshold(const char *opt, const char *arg)
2780 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2784 static int opt_verbose(const char *opt, const char *arg)
2786 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2790 static int opt_frame_rate(const char *opt, const char *arg)
2792 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2793 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2799 static int opt_frame_crop(const char *opt, const char *arg)
2801 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2802 return AVERROR(EINVAL);
2805 static int opt_frame_size(const char *opt, const char *arg)
2807 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2808 fprintf(stderr, "Incorrect frame size\n");
2809 return AVERROR(EINVAL);
2814 static int opt_pad(const char *opt, const char *arg) {
2815 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2819 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2821 if (strcmp(arg, "list")) {
2822 frame_pix_fmt = av_get_pix_fmt(arg);
2823 if (frame_pix_fmt == PIX_FMT_NONE) {
2824 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2825 return AVERROR(EINVAL);
2834 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2841 p = strchr(arg, ':');
2843 x = strtol(arg, &end, 10);
2845 y = strtol(end+1, &end, 10);
2847 ar = (double)x / (double)y;
2849 ar = strtod(arg, NULL);
2852 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2853 return AVERROR(EINVAL);
2855 frame_aspect_ratio = ar;
2859 static int opt_metadata(const char *opt, const char *arg)
2861 char *mid= strchr(arg, '=');
2864 fprintf(stderr, "Missing =\n");
2869 av_dict_set(&metadata, arg, mid, 0);
2874 static int opt_qscale(const char *opt, const char *arg)
2876 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2877 if (video_qscale == 0) {
2878 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2879 return AVERROR(EINVAL);
2884 static int opt_top_field_first(const char *opt, const char *arg)
2886 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2890 static int opt_thread_count(const char *opt, const char *arg)
2892 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2895 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2900 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2902 if (strcmp(arg, "list")) {
2903 audio_sample_fmt = av_get_sample_fmt(arg);
2904 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2905 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2906 return AVERROR(EINVAL);
2911 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2912 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2918 static int opt_audio_rate(const char *opt, const char *arg)
2920 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2924 static int opt_audio_channels(const char *opt, const char *arg)
2926 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2930 static int opt_video_channel(const char *opt, const char *arg)
2932 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2933 opt_default("channel", arg);
2937 static int opt_video_standard(const char *opt, const char *arg)
2939 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2940 opt_default("standard", arg);
2944 static int opt_codec(int *pstream_copy, char **pcodec_name,
2945 int codec_type, const char *arg)
2947 av_freep(pcodec_name);
2948 if (!strcmp(arg, "copy")) {
2951 *pcodec_name = av_strdup(arg);
2956 static int opt_audio_codec(const char *opt, const char *arg)
2958 return opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2961 static int opt_video_codec(const char *opt, const char *arg)
2963 return opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2966 static int opt_subtitle_codec(const char *opt, const char *arg)
2968 return opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2971 static int opt_data_codec(const char *opt, const char *arg)
2973 return opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
2976 static int opt_codec_tag(const char *opt, const char *arg)
2979 uint32_t *codec_tag;
2981 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2982 !strcmp(opt, "vtag") ? &video_codec_tag :
2983 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2987 *codec_tag = strtol(arg, &tail, 0);
2989 *codec_tag = AV_RL32(arg);
2994 static int opt_map(const char *opt, const char *arg)
2999 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
3000 m = &stream_maps[nb_stream_maps-1];
3002 m->file_index = strtol(arg, &p, 0);
3006 m->stream_index = strtol(p, &p, 0);
3009 m->sync_file_index = strtol(p, &p, 0);
3012 m->sync_stream_index = strtol(p, &p, 0);
3014 m->sync_file_index = m->file_index;
3015 m->sync_stream_index = m->stream_index;
3020 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
3031 *index = strtol(++arg, endptr, 0);
3034 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
3041 static int opt_map_metadata(const char *opt, const char *arg)
3043 MetadataMap *m, *m1;
3046 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
3047 &nb_meta_data_maps, nb_meta_data_maps + 1);
3049 m = &meta_data_maps[nb_meta_data_maps - 1][0];
3050 m->file = strtol(arg, &p, 0);
3051 parse_meta_type(p, &m->type, &m->index, &p);
3055 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3056 m1->file = strtol(p, &p, 0);
3057 parse_meta_type(p, &m1->type, &m1->index, &p);
3059 if (m->type == 'g' || m1->type == 'g')
3060 metadata_global_autocopy = 0;
3061 if (m->type == 's' || m1->type == 's')
3062 metadata_streams_autocopy = 0;
3063 if (m->type == 'c' || m1->type == 'c')
3064 metadata_chapters_autocopy = 0;
3069 static int opt_map_meta_data(const char *opt, const char *arg)
3071 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3072 "Use -map_metadata instead.\n");
3073 return opt_map_metadata(opt, arg);
3076 static int opt_map_chapters(const char *opt, const char *arg)
3081 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3082 nb_chapter_maps + 1);
3083 c = &chapter_maps[nb_chapter_maps - 1];
3084 c->out_file = strtol(arg, &p, 0);
3088 c->in_file = strtol(p, &p, 0);
3092 static int opt_input_ts_scale(const char *opt, const char *arg)
3094 unsigned int stream;
3098 stream = strtol(arg, &p, 0);
3101 scale= strtod(p, &p);
3103 ts_scale = grow_array(ts_scale, sizeof(*ts_scale), &nb_ts_scale, stream + 1);
3104 ts_scale[stream] = scale;
3108 static int opt_recording_time(const char *opt, const char *arg)
3110 recording_time = parse_time_or_die(opt, arg, 1);
3114 static int opt_start_time(const char *opt, const char *arg)
3116 start_time = parse_time_or_die(opt, arg, 1);
3120 static int opt_recording_timestamp(const char *opt, const char *arg)
3123 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3124 struct tm time = *gmtime((time_t*)&recording_timestamp);
3125 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3126 opt_metadata("metadata", buf);
3128 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3129 "tag instead.\n", opt);
3133 static int opt_input_ts_offset(const char *opt, const char *arg)
3135 input_ts_offset = parse_time_or_die(opt, arg, 1);
3139 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
3141 const char *codec_string = encoder ? "encoder" : "decoder";
3145 return CODEC_ID_NONE;
3147 avcodec_find_encoder_by_name(name) :
3148 avcodec_find_decoder_by_name(name);
3150 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3153 if(codec->type != type) {
3154 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3160 static int opt_input_file(const char *opt, const char *filename)
3162 AVFormatContext *ic;
3163 AVInputFormat *file_iformat = NULL;
3164 int err, i, ret, rfps, rfps_base;
3167 AVDictionary **opts;
3168 int orig_nb_streams; // number of streams before avformat_find_stream_info
3170 if (last_asked_format) {
3171 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3172 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3175 last_asked_format = NULL;
3178 if (!strcmp(filename, "-"))
3181 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3182 !strcmp(filename, "/dev/stdin");
3184 /* get default parameters from command line */
3185 ic = avformat_alloc_context();
3187 print_error(filename, AVERROR(ENOMEM));
3190 if (audio_sample_rate) {
3191 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3192 av_dict_set(&format_opts, "sample_rate", buf, 0);
3194 if (audio_channels) {
3195 snprintf(buf, sizeof(buf), "%d", audio_channels);
3196 av_dict_set(&format_opts, "channels", buf, 0);
3198 if (frame_rate.num) {
3199 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3200 av_dict_set(&format_opts, "framerate", buf, 0);
3202 if (frame_width && frame_height) {
3203 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3204 av_dict_set(&format_opts, "video_size", buf, 0);
3206 if (frame_pix_fmt != PIX_FMT_NONE)
3207 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3209 ic->video_codec_id =
3210 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0);
3211 ic->audio_codec_id =
3212 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0);
3213 ic->subtitle_codec_id=
3214 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
3215 ic->flags |= AVFMT_FLAG_NONBLOCK;
3217 /* open the input file with generic libav function */
3218 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3220 print_error(filename, err);
3223 assert_avoptions(format_opts);
3228 for(i=0; i<ic->nb_streams; i++){
3229 ic->streams[i]->discard= AVDISCARD_ALL;
3231 for(i=0; i<ic->nb_programs; i++){
3232 AVProgram *p= ic->programs[i];
3233 if(p->id != opt_programid){
3234 p->discard = AVDISCARD_ALL;
3237 for(j=0; j<p->nb_stream_indexes; j++){
3238 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3243 fprintf(stderr, "Specified program id not found\n");
3250 av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3251 ic->loop_input = loop_input;
3254 /* Set AVCodecContext options for avformat_find_stream_info */
3255 opts = setup_find_stream_info_opts(ic, codec_opts);
3256 orig_nb_streams = ic->nb_streams;
3258 /* If not enough info to get the stream parameters, we decode the
3259 first frames to get it. (used in mpeg case for example) */
3260 ret = avformat_find_stream_info(ic, opts);
3261 if (ret < 0 && verbose >= 0) {
3262 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3263 av_close_input_file(ic);
3267 timestamp = start_time;
3268 /* add the stream start time */
3269 if (ic->start_time != AV_NOPTS_VALUE)
3270 timestamp += ic->start_time;
3272 /* if seeking requested, we execute it */
3273 if (start_time != 0) {
3274 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3276 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3277 filename, (double)timestamp / AV_TIME_BASE);
3279 /* reset seek info */
3283 /* update the current parameters so that they match the one of the input stream */
3284 for(i=0;i<ic->nb_streams;i++) {
3285 AVStream *st = ic->streams[i];
3286 AVCodecContext *dec = st->codec;
3289 dec->thread_count = thread_count;
3291 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3292 ist = &input_streams[nb_input_streams - 1];
3294 ist->file_index = nb_input_files;
3296 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, 0);
3298 if (i < nb_ts_scale)
3299 ist->ts_scale = ts_scale[i];
3301 switch (dec->codec_type) {
3302 case AVMEDIA_TYPE_AUDIO:
3303 ist->dec = avcodec_find_decoder_by_name(audio_codec_name);
3305 st->discard= AVDISCARD_ALL;
3307 case AVMEDIA_TYPE_VIDEO:
3308 ist->dec = avcodec_find_decoder_by_name(video_codec_name);
3309 rfps = ic->streams[i]->r_frame_rate.num;
3310 rfps_base = ic->streams[i]->r_frame_rate.den;
3312 dec->flags |= CODEC_FLAG_EMU_EDGE;
3313 dec->height >>= dec->lowres;
3314 dec->width >>= dec->lowres;
3317 dec->debug |= FF_DEBUG_MV;
3319 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3322 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3323 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3325 (float)rfps / rfps_base, rfps, rfps_base);
3329 st->discard= AVDISCARD_ALL;
3330 else if(video_discard)
3331 st->discard= video_discard;
3333 case AVMEDIA_TYPE_DATA:
3335 case AVMEDIA_TYPE_SUBTITLE:
3336 ist->dec = avcodec_find_decoder_by_name(subtitle_codec_name);
3337 if(subtitle_disable)
3338 st->discard = AVDISCARD_ALL;
3340 case AVMEDIA_TYPE_ATTACHMENT:
3341 case AVMEDIA_TYPE_UNKNOWN:
3348 /* dump the file content */
3350 av_dump_format(ic, nb_input_files, filename, 0);
3352 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3353 input_files[nb_input_files - 1].ctx = ic;
3354 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3355 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3357 frame_rate = (AVRational){0, 0};
3358 frame_pix_fmt = PIX_FMT_NONE;
3361 audio_sample_rate = 0;
3363 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3364 av_freep(&ts_scale);
3367 for (i = 0; i < orig_nb_streams; i++)
3368 av_dict_free(&opts[i]);
3370 av_freep(&video_codec_name);
3371 av_freep(&audio_codec_name);
3372 av_freep(&subtitle_codec_name);
3378 static void check_inputs(int *has_video_ptr,
3380 int *has_subtitle_ptr,
3383 int has_video, has_audio, has_subtitle, has_data, i, j;
3384 AVFormatContext *ic;
3391 for(j=0;j<nb_input_files;j++) {
3392 ic = input_files[j].ctx;
3393 for(i=0;i<ic->nb_streams;i++) {
3394 AVCodecContext *enc = ic->streams[i]->codec;
3395 switch(enc->codec_type) {
3396 case AVMEDIA_TYPE_AUDIO:
3399 case AVMEDIA_TYPE_VIDEO:
3402 case AVMEDIA_TYPE_SUBTITLE:
3405 case AVMEDIA_TYPE_DATA:
3406 case AVMEDIA_TYPE_ATTACHMENT:
3407 case AVMEDIA_TYPE_UNKNOWN:
3415 *has_video_ptr = has_video;
3416 *has_audio_ptr = has_audio;
3417 *has_subtitle_ptr = has_subtitle;
3418 *has_data_ptr = has_data;
3421 static void new_video_stream(AVFormatContext *oc, int file_idx)
3425 AVCodecContext *video_enc;
3426 enum CodecID codec_id = CODEC_ID_NONE;
3427 AVCodec *codec= NULL;
3429 if(!video_stream_copy){
3430 if (video_codec_name) {
3431 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1);
3432 codec = avcodec_find_encoder_by_name(video_codec_name);
3434 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3435 codec = avcodec_find_encoder(codec_id);
3439 ost = new_output_stream(oc, file_idx, codec);
3441 if (!video_stream_copy) {
3442 ost->frame_aspect_ratio = frame_aspect_ratio;
3443 frame_aspect_ratio = 0;
3445 ost->avfilter= vfilters;
3450 ost->bitstream_filters = video_bitstream_filters;
3451 video_bitstream_filters= NULL;
3453 st->codec->thread_count= thread_count;
3455 video_enc = st->codec;
3458 video_enc->codec_tag= video_codec_tag;
3460 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3461 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3464 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3465 if (video_stream_copy) {
3466 st->stream_copy = 1;
3467 video_enc->sample_aspect_ratio =
3468 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3474 ost->frame_rate = frame_rate;
3475 video_enc->codec_id = codec_id;
3477 video_enc->width = frame_width;
3478 video_enc->height = frame_height;
3479 video_enc->pix_fmt = frame_pix_fmt;
3480 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3483 video_enc->gop_size = 0;
3484 if (video_qscale || same_quality) {
3485 video_enc->flags |= CODEC_FLAG_QSCALE;
3486 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3490 video_enc->intra_matrix = intra_matrix;
3492 video_enc->inter_matrix = inter_matrix;
3494 p= video_rc_override_string;
3497 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3499 fprintf(stderr, "error parsing rc_override\n");
3502 video_enc->rc_override=
3503 av_realloc(video_enc->rc_override,
3504 sizeof(RcOverride)*(i+1));
3505 video_enc->rc_override[i].start_frame= start;
3506 video_enc->rc_override[i].end_frame = end;
3508 video_enc->rc_override[i].qscale= q;
3509 video_enc->rc_override[i].quality_factor= 1.0;
3512 video_enc->rc_override[i].qscale= 0;
3513 video_enc->rc_override[i].quality_factor= -q/100.0;
3518 video_enc->rc_override_count=i;
3519 if (!video_enc->rc_initial_buffer_occupancy)
3520 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3521 video_enc->me_threshold= me_threshold;
3522 video_enc->intra_dc_precision= intra_dc_precision - 8;
3525 video_enc->flags|= CODEC_FLAG_PSNR;
3530 video_enc->flags |= CODEC_FLAG_PASS1;
3532 video_enc->flags |= CODEC_FLAG_PASS2;
3536 if (forced_key_frames)
3537 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3539 if (video_language) {
3540 av_dict_set(&st->metadata, "language", video_language, 0);
3541 av_freep(&video_language);
3544 /* reset some key parameters */
3546 av_freep(&video_codec_name);
3547 av_freep(&forced_key_frames);
3548 video_stream_copy = 0;
3549 frame_pix_fmt = PIX_FMT_NONE;
3552 static void new_audio_stream(AVFormatContext *oc, int file_idx)
3556 AVCodec *codec= NULL;
3557 AVCodecContext *audio_enc;
3558 enum CodecID codec_id = CODEC_ID_NONE;
3560 if(!audio_stream_copy){
3561 if (audio_codec_name) {
3562 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1);
3563 codec = avcodec_find_encoder_by_name(audio_codec_name);
3565 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3566 codec = avcodec_find_encoder(codec_id);
3569 ost = new_output_stream(oc, file_idx, codec);
3572 ost->bitstream_filters = audio_bitstream_filters;
3573 audio_bitstream_filters= NULL;
3575 st->codec->thread_count= thread_count;
3577 audio_enc = st->codec;
3578 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3581 audio_enc->codec_tag= audio_codec_tag;
3583 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3584 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3586 if (audio_stream_copy) {
3587 st->stream_copy = 1;
3589 audio_enc->codec_id = codec_id;
3591 if (audio_qscale > QSCALE_NONE) {
3592 audio_enc->flags |= CODEC_FLAG_QSCALE;
3593 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3596 audio_enc->channels = audio_channels;
3597 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3598 audio_enc->sample_fmt = audio_sample_fmt;
3599 if (audio_sample_rate)
3600 audio_enc->sample_rate = audio_sample_rate;
3602 if (audio_language) {
3603 av_dict_set(&st->metadata, "language", audio_language, 0);
3604 av_freep(&audio_language);
3607 /* reset some key parameters */
3609 av_freep(&audio_codec_name);
3610 audio_stream_copy = 0;
3613 static void new_data_stream(AVFormatContext *oc, int file_idx)
3617 AVCodecContext *data_enc;
3619 ost = new_output_stream(oc, file_idx, NULL);
3621 data_enc = st->codec;
3622 if (!data_stream_copy) {
3623 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3627 data_enc->codec_type = AVMEDIA_TYPE_DATA;
3630 data_enc->codec_tag= data_codec_tag;
3632 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3633 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3635 if (data_stream_copy) {
3636 st->stream_copy = 1;
3640 av_freep(&data_codec_name);
3641 data_stream_copy = 0;
3644 static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
3648 AVCodec *codec=NULL;
3649 AVCodecContext *subtitle_enc;
3650 enum CodecID codec_id = CODEC_ID_NONE;
3652 if(!subtitle_stream_copy){
3653 if (subtitle_codec_name) {